This reverts commit b008b45f1e609556a04c1aabb4e8ed6a894265af. Reason for revert: Breaks external clients. Original change's description: > Update webrtc/sdk/objc to new VideoFrameBuffer interface > > More thorough refactoring work is planned for RTCVideoFrame (see webrtc:7785), and this CL just unblocks removing the old interface from webrtc::VideoFrameBuffer. > > Bug: webrtc:7632,webrtc:7785 > Change-Id: I351536c5ca454c2acd8944bbc2ebb1d1439dc50c > Reviewed-on: https://chromium-review.googlesource.com/530231 > Reviewed-by: Anders Carlsson <andersc@webrtc.org> > Commit-Queue: Magnus Jedvert <magjed@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#18553} TBR=magjed@webrtc.org,andersc@webrtc.org No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:7632,webrtc:7785 Change-Id: Ib5c6fcb939175c67c3ac7b3df7cea0f7c2bb0af0 Reviewed-on: https://chromium-review.googlesource.com/533013 Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18557}